[Nursie]

It seems I encountered the “ftServer” line, which on closer inspection launched in 2001, and was indeed intel/windows 2k, based around Pentium III Xeon Chips.

They still list old product sheets here, the oldest being the ftServer 5200 AFAICT - https://www.stratus.com/solutions/previous-generation-produc...

https://www.stratus.com/assets/5200hw.pdf